Portion of a tool head



FIG. 1 is a perspective view of a portion of a tool head embodying the invention.

FIG. 2 is a right side view of the portion of a tool head shown in FIG. 1.

FIG. 3 is a left side view of the portion of a tool head shown in FIG. 1.

FIG. 4 is a front view of the portion of a tool head shown in FIG. 1.

FIG. 5 is a rear view of the portion of a tool head shown in FIG. 1.

FIG. 6 is a top view of the portion of a tool head shown in FIG. 1; and,

FIG. 7 is a bottom view of the portion of a tool head shown in FIG. 1.

The broken lines illustrate portions of the portion of a tool head that form no part of claimed design. 

CLAIM We claim the ornamental design for the portion of a tool head, as shown and described. 